Search a number
-
+
56893428 = 2234891973
BaseRepresentation
bin1101100100000…
…1111111110100
310222001111010000
43121001333310
5104031042203
65351231300
71260405024
oct331017764
9128044100
1056893428
112a129969
1217078530
13ba2cc67
1477ada84
154edc4a3
hex3641ff4

56893428 has 60 divisors (see below), whose sum is σ = 150478020. Its totient is φ = 18741888.

The previous prime is 56893427. The next prime is 56893439. The reversal of 56893428 is 82439865.

It can be written as a sum of positive squares in 2 ways, for example, as 11573604 + 45319824 = 3402^2 + 6732^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56893423) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 27850 + ... + 29822.

It is an arithmetic number, because the mean of its divisors is an integer number (2507967).

Almost surely, 256893428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56893428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75239010).

56893428 is an abundant number, since it is smaller than the sum of its proper divisors (93584592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56893428 is a wasteful number, since it uses less digits than its factorization.

56893428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2078 (or 2067 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 56893428 is about 7542.7732300527. The cubic root of 56893428 is about 384.6101140980.

The spelling of 56893428 in words is "fifty-six million, eight hundred ninety-three thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 89 108 162 178 267 324 356 534 801 1068 1602 1973 2403 3204 3946 4806 5919 7209 7892 9612 11838 14418 17757 23676 28836 35514 53271 71028 106542 159813 175597 213084 319626 351194 526791 639252 702388 1053582 1580373 2107164 3160746 4741119 6321492 9482238 14223357 18964476 28446714 56893428